UI: Add QR scan results

Signed-off-by: Vasiliy Doylov <nekocwd@mainlining.org>

src/elements/qr_scaner.vala

@@ -78,9 +78,13 @@ public class EyeNeko.Elements.QrScaner : Gst.Base.Transform {
         image.set_data ((void[]) img, () => {}); // Don't free data
         scaner.scan_image (image);
         for (unowned var sym = image.first_symbol (); sym != null; sym = sym.next ()) {
-            var data = sym.get_data ();
-            if (qr_codes.add (data))
-                new_qr (data);
+            unowned var data = sym.get_data ();
+            if (qr_codes.add (data)) {
+                GLib.Idle.add (() => { // HACK it fixes GTK crash
+                    new_qr (data);
+                    return false;
+                }, Priority.DEFAULT);
+            }
         }
         return Gst.FlowReturn.OK;
     }

src/eyeneko.gresource.xml

@@ -4,6 +4,7 @@
     <file preprocess="xml-stripblanks">window.ui</file>
     <file preprocess="xml-stripblanks">gtk/help-overlay.ui</file>
     <file preprocess="xml-stripblanks">ui/caps-row.ui</file>
+    <file preprocess="xml-stripblanks">ui/qr-row.ui</file>
     <file>style.css</file>
     <file>shaders/ccm.glsl</file>
   </gresource>

src/meson.build

@@ -13,6 +13,7 @@ eyeneko_sources = [
   'elements/qr_scaner.vala',
   'ui/preferences.vala',
   'ui/caps-row.vala',
+  'ui/qr-row.vala',
   'logic/friendly-caps.vala',
 ]
 
@@ -35,6 +36,7 @@ blueprints = custom_target(
   input: files(
     'gtk/help-overlay.blp',
     'ui/caps-row.blp',
+    'ui/qr-row.blp',
     'window.blp',
   ),
   output: '.',

src/style.css

@@ -65,3 +65,15 @@
     border-radius: 3px;
     padding: 2px;
 }
+
+.qr-list {
+    background: none;
+    padding: 12px;
+}
+
+.qr-list > row {
+    margin: 6px;
+    padding: 12px;
+    border-radius: 10px;
+    background-color: alpha(var(--view-fg-color), 0.1);
+}

src/ui/qr-row.blp

@@ -0,0 +1,40 @@
+using Gtk 4.0;
+
+template $EyeNekoUiQRRow: Box {
+  styles [
+    "qr-row",
+  ]
+
+  spacing: 12;
+  halign: fill;
+  hexpand: true;
+
+  Label data {
+    styles [
+      "qr-data",
+    ]
+
+    use-markup: false;
+    wrap: true;
+    wrap-mode: word_char;
+  }
+
+  Separator {
+    styles [
+      "spacer",
+    ]
+
+    halign: fill;
+    hexpand: true;
+  }
+
+  Button copy {
+    valign: center;
+
+    styles [
+      "flat",
+    ]
+
+    icon-name: "edit-copy-symbolic";
+  }
+}

src/ui/qr-row.vala

@@ -0,0 +1,17 @@
+[GtkTemplate(ui = "/io/gitlab/nekocwd/eyeneko/ui/qr-row.ui")]
+public class EyeNeko.Ui.QRRow : Gtk.Box {
+    [GtkChild]
+    private unowned Gtk.Label data;
+    [GtkChild]
+    private unowned Gtk.Button copy;
+
+    public void set_qr(string qr) {
+        data.label = qr;
+    }
+
+    construct {
+        copy.clicked.connect(() => {
+            data.get_clipboard().set_text(data.label);
+        });
+    }
+}

src/window.blp

@@ -135,6 +135,39 @@ Adw.ToolbarView toolbar {
   // content: TODO :)
 }
 
+Adw.Dialog qr_dialog {
+  follows-content-size: true;
+  title: _("Scaned QRs");
+
+  Adw.ToolbarView {
+    styles [
+      "flat",
+    ]
+
+    [top]
+    Adw.HeaderBar {}
+
+    content: ScrolledWindow {
+      propagate-natural-height: true;
+      propagate-natural-width: true;
+
+      ListView {
+        styles [
+          "qr-list",
+        ]
+
+        show-separators: true;
+
+        factory: SignalListItemFactory qr_factory {};
+
+        model: NoSelection {
+          model: StringList qr_list {};
+        };
+      }
+    };
+  }
+}
+
 menu primary_menu {
   section {
     item {

src/window.vala

@@ -34,7 +34,12 @@ public class EyeNeko.Window : Adw.ApplicationWindow {
     private unowned Gtk.Button capture_btn;
     [GtkChild]
     private unowned Adw.ToggleGroup camera_mode;
-
+    [GtkChild]
+    private unowned Gtk.SignalListItemFactory qr_factory;
+    [GtkChild]
+    private unowned Gtk.StringList qr_list;
+    [GtkChild]
+    private unowned Adw.Dialog qr_dialog;
 
     public string camera_path { get; set; default = "Unknown"; }
     public string current_caps { get; set; default = "Unknown"; }
@@ -103,32 +108,58 @@ public class EyeNeko.Window : Adw.ApplicationWindow {
         video_caps_btn.set_popover (popover);
     }
 
+    private void setup_qr_scaner () {
+        qr_factory.setup.connect ((mdl) => {
+            var item = (Gtk.ListItem) mdl;
+            item.child = new QRRow ();
+        });
+        qr_factory.bind.connect ((mdl) => {
+            var item = (Gtk.ListItem) mdl;
+            var row = (QRRow) item.child;
+            var data = (Gtk.StringObject) item.item;
+            row.set_qr (data.string);
+        });
+        Gstreamer.instance.qr_scaner.new_qr.connect ((qr) => {
+            qr_list.append (qr);
+            qr_dialog.present (this);
+        });
+    }
+
     public Window (Gtk.Application app) {
         Object (application: app);
         overlay.add_overlay (toolbar);
 
         Gstreamer.instance.bind_property ("viewfinder-paintable", viewfinder, "paintable", BindingFlags.SYNC_CREATE);
         capture_btn.clicked.connect (() => {
-            if (Gstreamer.instance.camera_mode == Gstreamer.CameraMode.VIDEO && !Gstreamer.instance.ready) {
-                Gstreamer.instance.stop_capture ();
-            } else {
-                Gstreamer.instance.start_capture ();
+            switch (Gstreamer.instance.camera_mode) {
+                case Gstreamer.CameraMode.QR:
+                    qr_dialog.present (this);
+                    break;
+                case Gstreamer.CameraMode.VIDEO:
+                    if (Gstreamer.instance.ready)
+                        Gstreamer.instance.start_capture ();
+                    else
+                        Gstreamer.instance.stop_capture ();
+                    break;
+                default:
+                    Gstreamer.instance.start_capture ();
+                    break;
             }
         });
 
+        setup_video_source_changer ();
+        setup_caps_changer ();
+        setup_qr_scaner ();
+
+        close_request.connect (() => {
+            Gstreamer.instance.start_stream_from (null);
+            return false;
+        });
+
         camera_mode.bind_property ("active-name", Gstreamer.instance, "camera-mode", BindingFlags.SYNC_CREATE, (b, s, ref d) => {
             d = Gstreamer.CameraMode.parse (s.get_string ());
             return true;
         });
         camera_mode.active_name = Env.get_variable_or ("CAM_M", "photo");
-
-        setup_video_source_changer ();
-        setup_caps_changer ();
-        close_request.connect (() => {
-            Gstreamer.instance.start_stream_from (null);
-            return false;
-        });
-
-        Gstreamer.instance.qr_scaner.new_qr.connect ((qr) => message ("QR scaned %s", qr));
     }
 }